Variable Frequency Drives: Installation & Troubleshooting
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Description
Understand how variable frequency drives work—and how to install, configure and troubleshoot them in industrial applications.
Written for maintenance technicians, industrial electricians, engineering students and others working with AC motor controls, this practical guide explains VFD operation in clear, shop-floor language. The emphasis is on developing the knowledge needed to configure a drive, recognize common problems, interpret fault codes and return equipment to service efficiently.
Topics include:
• AC motor control and common VFD applications
• The relationship between torque, speed and horsepower
• AC waveform characteristics and pulse-width modulation
• Carrier frequency and fundamental frequency
• Common VFD control modes
• Wiring methods and drive connections
• Parameter configuration and programming
• VFD braking methods
• Fault-code diagnostics, testing and troubleshooting
• Converter, DC-bus and inverter sections of a drive
Easy-to-understand diagrams and practical testing procedures help connect drive theory with real industrial applications.
Written by an industrial technician with more than 40 years of electrical, motor-control and automation experience, this concise guide is designed for readers who want practical VFD knowledge without unnecessary complication.
Some basic electrical and motor-control knowledge is helpful.
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